GEOCHRONOLOGY 2008 Lecture 07 Common Lead Dating. Common Lead vs Radiogenic Lead. Pb derived from decay of U and Th is described as radiogenic lead. In a system containing U and Th, the isotopic composition of Pb is controlled by the decay of the U and Th parent isotopes
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
Isotope ratios of Pb in troilite of the iron meteorite Canyon Diablo, ie equivalent to initial values
206Pb/204Pb = a0207Pb/204Pb = b0208Pb/204Pb = c0Reference
9.30710.29429.476Tatsumoto et al., 1973
9.306610.29329.475Chen and Wasserburg (1983)